ABB RELION REB500 Operation Manual page 17

1MRK 505 400-UEN B
Table 7:
Signal
12605_Bypass Check Zone
13205_Block BFP
13210_BP Block BFP
13605_Trip redirection _1
13606_Trip redirection_2
13610_BP Trip transfer
13705_External Start BFP
13710...13735_Start BFP Lp_x
13740...13765_Start BFP
L1L2L3_x
13761_BP Start BFP L1L2L3_5
13770...13780_BP Start BFP Lp
13785_BP Start BFP L1L2L3
13790_BP External start BFP
13795...13796_Start BFP L0_x
13797_BP Start BFP L0
13805_Start BFP Q0 no I_1
13810_Start BFP Q0 no I_2
14205_Block EFP
14405_BP EFP Manual Close
14605_EFP ext release_1
14610_EFP ext release_2
Table continues on next page
Distributed busbar protection REB500
Technical manual
BU input signals for BFP, EFP, OCDT, and PDF
Description
The check zone criterion for the release of the bus bar protection is
bypassed.
Blocks operation of BFP for the corresponding bay unit. When the
blocking signal is cancelled, the timers start again at t = 0.
Blocks operation of BFP of the corresponding feeder. When the blocking
signal is cancelled and providing a starting signal is present and current is
flowing, the timers start again at t = 0.
The circuit-breaker sets this input when it cannot open, that is because
the air pressure is too low or there is a leak in the case of GIS (Alarm Stage
3 - Circuit-breaker blocked). A tripping signal is then transferred to the
adjacent breakers (busbar trip) and possibly the remote station.
Reserved for special applications.
If this signal is set then the trip redirection is active in the same way as it
is for the 13605_Trip redirection _1.
This signal must not be used for pressure low input from circuit-breaker.
Reserved for special applications.
This Bay Protection (BP) signal allows triggering the trip redirection
functionality if the signal 13605_Trip redirection _1 or 13606_Trip
redirection_2 is active.
This signal is directly activated by BP and does not therefore appear as a
binary input signal.
A signal applied to this input starts the breaker failure protection timer
(independently of the overcurrent measurement).
Phase-selective (p = 1 to 3) starting of the breaker failure protection with
two inputs per phase (x = 1 to 2). The breaker failure timer is started by
this input signal providing the current in the respective phase is above
pick-up.
Three-phase starting of BFP by six inputs (x = 1 to 6). The BFP timer is
started by a signal at one of these inputs providing the current in at least
one phase is high enough.
Functionally identical to signal 13760_Start BFP L1L2L3_5 but directly
activated by the bay protection unit and not appearing as binary input
signal.
BFP with phase-selective starting (p = 1, 2, or 3). The BFP timer starts
when this signal is activated by the bay protection function and the BFP
measures a current in the corresponding phase.
BFP with three-phase starting. The BFP timer starts when this signal is
activated and the BFP measures a current in any phase.
BFP with three-phase starting. The BFP timer starts when this signal is
activated regardless of the current measurement.
L0-starting of BFP with two inputs (x = 1 or 2). The BFP timer is started by
this input signal providing the current in the neutral system is above pick-
up.
Breaker failure protection with L0 - starting. The breaker failure
protection timer starts when this signal is activated by the bay protection
function and the BFP measures a current in the neutral system.
The BFP timer starts when this signal is activated and the Breaker
(11530_Breaker Position) is closed and valid (independently of the
overcurrent measurement).
Blocks operation of EFP for corresponding bay unit. When the blocking
signal is cancelled, the timers start again at t = 0.
This signal is set by the bay protection when the circuit-breaker receives a
close command to prevent EFP from tripping.
Providing this input is configured, EFP is enabled by an external signal.
© Copyright 2019 ABB. All rights reserved
Section 3
Signals
11